227=167=4821;
229=209=40÷18;
38=1540=9÷24.
故答案为:48,18,40,24.
—Happy Halloween!
—_______ [ ]
A. Happy New Year!
B. The same to you!
C. Thank you!
D. Don't say that.
某加氢装置在事故处理过程中发生高压换热器法兰泄露可能是由于升降温速度过快,引起换热器法兰热胀冷缩。